Bautech Ultra 1000 Mastic 310 ML Gray (24 Pieces)

Bautech Ultra 1000 Sealant 310 ml Grey — 24 Pieces

Bautech Ultra 1000 is a one-component, siliconised acrylic-based sealant formulated for sealing joints in aluminium, timber and PVC joinery, around frames, and for general construction sealing applications. Supplied in Grey, it comes in standard 310 ml cartridges, 24 units per carton. Offering high elasticity, paintability and long-lasting performance, it is suitable for reliable use in both interior and exterior settings.

Technical Specifications

• Brand: Bautech
• Product Name: Ultra 1000 Siliconised Sealant
• Colour: Grey
• Volume: 310 ml per cartridge
• Packaging: 24 pieces per carton
• Base: One‑component, siliconised acrylic
• Elasticity: 25 % recovery
• Maximum Joint Movement: 15 %
• Paintable: Yes — compatible with water‑based and synthetic paints
• Oil Content: Oil‑free; will not stain surfaces
• UV Resistance: High stability; will not yellow
• Temperature Resistance: -30 °C to +80 °C
• Application Temperature: +5 °C to +40 °C
• Curing Times: Touch‑dry: ~30–60 min / Full cure: 12–24 hours
• Standard: ISO 11600‑F25‑HM compliant

Applications

• Sealing joints between timber, PVC and aluminium frames and adjacent walls
• Around window and door frames, facade connection points
• Interior and exterior joints subject to expansion and contraction
• Filling cracks and connection joints
• Filling and sealing on concrete, plaster, brick, timber, PVC and metal surfaces
• Joint preparation and filling prior to painting
• Connection joints between prefabricated building elements

Product Advantages

• Paintable: Unlike pure silicone sealants, it accepts paint reliably for a seamless, neat finish
• High Elasticity: Accommodates building movement; will not crack or tear
• Grey Colour Compatibility: Harmonises with concrete, plaster, anthracite frames and most facade colour schemes
• Resists Dirt & Staining: Easily wiped clean with a damp cloth when soiled
• Oil‑Free Formula: Leaves no stains or discolouration on applied surfaces
• UV & Weather Resistant: Long‑term durability against sun, rain, wind and moisture
• Matched Service Life: Maintains performance over the same lifespan as the joinery it seals
• Cost‑Effective Bulk Pack: 24‑piece carton delivers favourable unit pricing for volume procurement

Application Instructions

• Ensure surfaces are dry, clean, and free from dust, grease and loose debris
• Minimum joint depth: 4 mm; apply at a 2:1 depth‑to‑width ratio (depth = half the width)
• For joints wider than 20 mm, use backing rod or polyurethane foam before sealing
• Cut the cartridge tip, attach the nozzle, and apply with a caulking gun using steady, even pressure
• Smooth and finish the joint while wet using a dampened finger or suitable tool
• Apply only at temperatures above +5 °C; curing time extends at lower temperatures
• Once fully cured, the surface may be painted as required
• Not Suitable For: Permanently wet or submerged joints, glass surfaces, or areas in contact with food

Frequently Asked Questions

Can it be painted over?
Yes — it accepts both water‑based and synthetic paints without issue.

Can it be used on glass?
No — for glass applications, select a pure silicone sealant.

How long does it take to cure?
At 20 °C, touch‑dry in roughly 30–60 minutes; full cure takes 12–24 hours depending on layer thickness.

Are other colours available?
Yes — White, Black, Metallic Grey, Anthracite, Brown, Bronze and Transparent options are offered.

How many pieces are supplied?
This product is shipped in cartons containing 24 cartridges.